Across
- 1. A property describing the sum of the interior angles of a quadrilateral. (7 letters)
- 4. A quadrilateral with only one pair of parallel sides. (10 letters)
- 6. The total number of sides in any quadrilateral. (4 letters)
- 8. A quadrilateral that is both a rectangle and a rhombus. (9 letters)
Down
- 2. A quadrilateral with four right angles and equal sides. (6 letters)
- 3. A four-sided figure with no parallel sides but with adjacent sides equal. (6 letters)
- 5. A four-sided polygon with opposite sides parallel. (9 letters)
- 7. A quadrilateral with four equal sides and opposite angles equal. (8 letters)